Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.
Adds a 'Puzzle' item to the main context menu. You can turn any image to puzzle pieces and play.
Quick lookup in Wiktionary and Wikipedia, without the need to open a new tab.
Just right-click a word while shift / ctrl / alt is pressed.
Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.